- The
cleithrum (pl.: cleithra) is a
membrane bone
which first appears as part of the
skeleton in
primitive bony fish,
where it runs
vertically along the...
- is ****ociated with the
pectoral fin; they also have a bone
called the
cleithrum. In such fish, the
paired clavicles run
behind and
below the
gills on...
- from
their ancestral external armor plates. In
digitless choanates, the
cleithrum, clavicle, and
interclavicle are
dermal and
linked to the
caudal part...
- This, the type species, has a U-shaped head, with a
flattened skull and
cleithrum.
Electrophorus voltai de Santana, Wosiacki, Crampton, Mark H. Sabaj, Dillman...
-
notable fossil is a
large endochondral shoulder girdle consisting of the
cleithrum, sca****, and
coracoid (but not the
interclavicle and clavicles), all...
-
fusion of
caudal ribs
Trunk ribs
mostly single headed Pectoral Region Cleithrum absent Pelvic Region Modified ilium Limb
Region Tubular bone lost Entepicondylar...
-
determination Anguilliformity Bone
dermal intramembranous ossification Cleithrum Chromatop**** Fins
dorsal fin Gill
branchial arch gill
raker gill slit...
- the rays) and two
movable hinge joints: a 'shoulder'
joint where the
cleithrum meets the
radials and an 'intra-fin'
joint where the
radials meet the...
-
embryonic development is
considered finished when a bone
called the
cleithrum becomes visible. In
animals that
hatch from an egg, such as birds, a young...
-
determination Anguilliformity Bone
dermal intramembranous ossification Cleithrum Chromatop**** Fins
dorsal fin Gill
branchial arch gill
raker gill slit...
